Saving for College This calculator can help you estimate how much you should be saving for college. You are viewing this website at a small screen resolution which doesn't support calculators. Click here to view this calculator. Share | Have A Question About This Topic? Address Thank you! Oops! Related Contents The Rule of 72 Do you know how long it may take for your investments to double in value? The Rule of 72 is a quick way to figure it out. Four Really Good Reasons to Invest There are four very good reasons to start investing. Do you know what they are? Keys to Investing for Retirement There are some key concepts to understand when investing for retirement.